Greater London Authority Act 1999

[F1 40C Request to collaborate U.K.

(1) The Mayor of London (“mayor A”) may make a request to another elected mayor (“mayor B”) for the mayors to collaborate in relation to a matter relating to any aspect of any area of competence.

(2) A collaboration request must specify—

(a) the matter on which mayor A wants the mayors to collaborate, and

(b) the way in which mayor A wants the mayors to collaborate.

(3) Mayor A may make a collaboration request only if mayor A considers that the requested collaboration would be likely to improve the economic, social or environmental well-being of—

(a) some or all of the people who live or work in Greater London, or

(b) some or all of the people who live or work in Greater London and some or all of the people who live or work in mayor B’s area.

(4) Mayor A may make a collaboration request only if Greater London adjoins mayor B’s area.

(5) A collaboration request must be in writing.

(6) Mayor A must publish, in such manner as the mayor thinks appropriate, any collaboration request which the mayor makes.

(7) The Mayor of London must have regard to any guidance issued by the Secretary of State in exercising powers, and complying with duties, under this section.

(8) Section 40E makes provision about collaboration requests made by, or to, two or more elected mayors.

(9) In this section, section 40D and section 40E—

• “area of competence” has the same meaning as in the English Devolution and Community Empowerment Act 2026 (see section 2 of that Act);

• “collaboration request” means a request made under subsection (1);

• “elected mayor” means—

  (a)

  the Mayor of London,

  (b)

  the mayor for the area of a combined authority, or

  (c)

  the mayor for the area of a combined county authority;

• “mayor A” has the meaning given in subsection (1);

• “mayor B” has the meaning given in subsection (1);

• “mayor B’s area” means the area for which mayor B is the mayor.]

Textual Amendments

F1 Ss. 40C-40E inserted (29.6.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 23(3), 108(5) (with s. 102)